Home / 30,557.70-45,828.45-10,834.20

Finding the Fourth Proportional to 30,557.70, 45,828.45 and 10,834.20

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Solution

The fourth proportional to 30,557.70, 45,828.45 and 10,834.20 is: 16,248.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,557.70 : 45,828.45 = 10,834.20 : x
  2. Step 2: Convert to fraction form
    30,557.70/45,828.45 = 10,834.20/x
  3. Step 3: Cross multiply
    30,557.70x = 45,828.45 × 10,834.20
  4. Step 4: Simplify right side
    30,557.70x = 496,514,592.99
  5. Step 5: Solve for x
    x = 496,514,592.99/30,557.70
  6. Step 6: Final answer
    x = 16,248.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.